crwdns2933423:0crwdne2933423:0

crwdns2933803:010crwdne2933803:0

crwdns2933797:0CChincrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Sam Omiotek

crwdns2933769:0crwdne2933769:0
crwdns2933771:0crwdne2933771:0
crwdns2933801:0crwdne2933801:0

crwdns2933807:0crwdne2933807:0

[* black] What is this—a logic board for ants? Not quite, but weighing in at a whopping 1.0 gram it's definitely the smallest we've ever seen. With the hard work out of the way, we pause to see what makes the Pencil so smart:
[* red] STMicroelectronics [http://www.st.com/web/en/resource/technical/document/datasheet/DM00048356.pdf|STML151UCY6|new_window=true] Ultra-low-power 32-bit RISC ARM-based [http://www.arm.com/products/processors/cortex-m/cortex-m3.php|Cortex-M3|new_window=true] MCU
[* orange] STMicroelectronics [link|https://www.st.com/en/switches-and-multiplexers/stmls05.html|STMLS05] 5-channel PMOS load switches
[* yellow] STMicroelectronics [link|https://www.st.com/en/microcontrollers-microprocessors/stm32l052t8.html|STM32L052T8] 32-Bit ARM Cortex-M0+ Microcontroller w/ 64 Kb flash
[* green] Maxim Integrated MAX11290 24-bit delta-sigma A/D converter (likely)
[* light_blue] Cambridge Silicon Radio (Qualcomm) [https://www.csrsupport.com/download/47278/CSR1012%20Data%20Sheet%20CS-238833-DS.pdf|CSR1012A05|new_window=true] Bluetooth smart IC
- [* blue] Bosch Sensortec accelerometer
+ [* blue] Bosch Sensortec BMA282 accelerometer
[* violet] Maxim Integrated [link|https://www.maximintegrated.com/en/products/analog/amplifiers/MAX44284.html|MAX44284] high precision current-sense amplifier